Test Name
HOMA INDEX
Aliases
HOMEOSTATIC MODEL ASSESSMENT OF INSULIN RESISTANCE, HOMA INDEX, HOMA CALCULATION, INSULIN RESISTANCE INDEX
Abbreviations
HOMA-IR, HOMA2-IR
Test Classification
GROUPED TEST
Department
SPECIAL CHEMISTRY
Sub Department
-
TAT Category
BUSINESS (WORKING) TIME
Estimated TAT
3
TAT Units
HOURS
Test Requirements
Fasting required: At least 8–12 hours before sample collection.
Avoid biotin supplements before testing (may interfere with insulin assays).
Certain medications (e.g., corticosteroids, insulin therapy) may influence results.\
Test components: Fasting plasma glucose, Fasting insulin or fasting glucose and fasting c-peptide
Clinical Utility
Assesses beta cell function (HOMA2-%B), insulin sensitivity (HOMA2-%S) & insulin resistance index (HOMA2-IR) based on insulin, fasting glucose (insulin model) OR based on C-peptide, fasting glucose (C-peptide model; recommended for patients on insulin therapy).
Last Review
26th Feb 2026